

package com.hazelcast.internal.config;

import com.hazelcast.config.BTreeIndexConfig;
import com.hazelcast.config.IndexConfig;
import com.hazelcast.config.IndexType;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Read-only counterpart of {@link IndexConfig} class.
 */
public class IndexConfigReadOnly extends IndexConfig {

    public IndexConfigReadOnly(IndexConfig other) {
        super(other);
    }

    @Override
    public IndexConfig setName(String name) {
        throw new UnsupportedOperationException("This config is read-only");
    }

    @Override
    public IndexConfig setType(IndexType type) {
        throw new UnsupportedOperationException("This config is read-only");
    }

    @Override
    public List<String> getAttributes() {
        List<String> attributes = super.getAttributes();
        List<String> res = new ArrayList<>(attributes);

        return Collections.unmodifiableList(res);
    }

    @Override
    public IndexConfig addAttribute(String attribute) {
        throw new UnsupportedOperationException("This config is read-only");
    }

    @Override
    public IndexConfig setAttributes(List<String> attributes) {
        throw new UnsupportedOperationException("This config is read-only");
    }

    @Override
    public BTreeIndexConfig getBTreeIndexConfig() {
        return new BTreeIndexConfigReadOnly(super.getBTreeIndexConfig());
    }
}
